Maintenance fees coming due

MacDermid Acumen, Inc.

4 maintenance fees come due in the 12 months from Nov 14, 2026, the next on Nov 26, 2026. Unpaid by May 26, 2027, that one lapses early.

A maintenance fee does not end a patent on its due date. It falls due at 3.5, 7.5 and 11.5 years from grant, and the patent lapses only if the fee is still unpaid at the end of the six month grace period that follows.

Patent	Title	Holder	Status	Fee due	Lapses if unpaid	Expires	Confidence
US 9,040,700	Method of Producing Polymeric Phenazonium Compounds MacDermid Acumen, Inc. In force Fee due Nov 26, 2026 Lapses if unpaid May 26, 2027 Term ends Sep 24, 2030 · High confidence	MacDermid Acumen, Inc.	In force	Nov 26, 2026	May 26, 2027	Term ends Sep 24, 2030	High confidence
US 11,685,999	Aqueous Electroless Nickel Plating Bath and Method of Using the Same MacDermid Acumen, Inc. In force Fee due Dec 27, 2026 Lapses if unpaid Jun 28, 2027 Term ends Aug 14, 2035 · High confidence	MacDermid Acumen, Inc.	In force	Dec 27, 2026	Jun 28, 2027	Term ends Aug 14, 2035	High confidence
US 9,067,238	Method for Improving Plating on Non-Conductive Substrates MacDermid Acumen, Inc. In force Fee due Dec 30, 2026 Lapses if unpaid Jun 30, 2027 Ends no later than Sep 10, 2030 · Medium confidence	MacDermid Acumen, Inc.	In force	Dec 30, 2026	Jun 30, 2027	Ends no later than Sep 10, 2030	Medium confidence
US 10,415,148	Passivation of Micro-Discontinuous Chromium Deposited From a Trivalent Electrolyte MacDermid Acumen, Inc. In force Fee due Mar 17, 2027 Lapses if unpaid Sep 17, 2027 Term ends Jan 25, 2036 · High confidence	MacDermid Acumen, Inc.	In force	Mar 17, 2027	Sep 17, 2027	Term ends Jan 25, 2036	High confidence

4 of 4 patents shown. Soonest fee due date first, then patent number.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.